Translations:KAVAN Alpha V2 1500mm - Instruction manual/146/en

Reverse Brake: After selected this option, the Reverse Brake signal wire (its signal range must be the same as the throttle range) must to be plugged into any vacant channel on the receiver, and you can control the motor direction via that channel. The channel range of 0-50% is the default motor direction, the channel range of 50% to 100% will cause the motor to spin counterclockwise.